Controlling the release of a brush motor which has applied a...

Details Controlling the release of a brush motor which has applied a... Controlling the release of a brush motor which has applied a...

2007-02-20

2007-02-20

Ip, Paul (Department: 2837)

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

C318S600000, C318S603000, C318S608000, C318S612000, C324S11700H, C324S11700H

Reexamination Certificate

active

11043517

ABSTRACT:
A method for controlling the release of a brush motor which has applied a load includes several steps. One step includes applying a release current to the brush motor to rotate the brush motor in a direction toward releasing the applied load of the brush motor. Another step includes sensing the commutator bar ripple current of the brush motor. Another step includes determining when to remove the release current using at least the sensed commutator bar ripple current.

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